html {
  width: 100%;
  height: 100%;
  background: url('../images/login_bg.jpg') no-repeat;
  background-size: cover;
  box-sizing: border-box;
}
.header {
  margin-top: 20px;
}

.content {
  background-color: #fff;
  height: 310px;
  width: 400px;
  position:absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  /* padding: 30px; */
}
.title {
  height: 60px;
  background: url('../images/login_title.png') no-repeat center;
  /* line-height: 60px;
  text-align: center; */
 
}
.layui-form {
  padding: 0 30px;
}

a{
  font-size: 12px;
  padding: 30px;
}
.layui-form-item {
  position: relative;
}
.layui-icon {
  position: absolute;
  left: 10px;
  top: 10px;
}
.layui-form .layui-input {
  padding-left: 30px;
}